双曲拱桥反应谱抗震加固分析

Western China Communications Science & Technology(2011)

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Abstract
文章介绍了反应谱的基本概念和常用的振型组合方法,阐述了双曲拱桥抗震分析的注意事项,并针对广西灵山县武利桥工程实例,提出了具体的桥梁抗震加固方案,同时借助有限元结构动力计算模型,对比分析了桥梁加固前后的动力特性和地震内力。
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Key words
Response spectrum,Earthquake resistance reinforcement,Analysis,Double arch bridge
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